KR100224982B1 - Electron gun for color cathode ray tube - Google Patents

Electron gun for color cathode ray tube Download PDF

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Publication number
KR100224982B1
KR100224982B1 KR1019970037953A KR19970037953A KR100224982B1 KR 100224982 B1 KR100224982 B1 KR 100224982B1 KR 1019970037953 A KR1019970037953 A KR 1019970037953A KR 19970037953 A KR19970037953 A KR 19970037953A KR 100224982 B1 KR100224982 B1 KR 100224982B1
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South Korea
Prior art keywords
electron gun
cathode ray
ray tube
bead
electrodes
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Expired - Fee Related
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KR1019970037953A
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Korean (ko)
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KR19990015691A (en
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곽정환
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구자홍
엘지전자주식회사
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/028—Mounting or supporting arrangements for flat panel cathode ray tubes, e.g. spacers particularly relating to electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4824—Constructional arrangements of electrodes
    • H01J2229/4831—Electrode supports
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes

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  • Electrodes For Cathode-Ray Tubes (AREA)

Abstract

본 발명은 칼라음극선관용 전자총에 관한 것으로서, 특히 전극간 변화를 최소화하여 음극선관의 신뢰성을 향상시키는 데 그 목적이 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electron gun for a color cathode ray tube, and in particular, an object thereof is to improve reliability of a cathode ray tube by minimizing change between electrodes.

이러한 목적을 달성하기 위해 본 발명은 컵과 캡 형상의 2개의 전극이 서로 맞대어진 상태로 비드글라스에 매입되어 았는 전자총의 G3 및 G5의 비드글라스 지지구조에 있어서, 상기 컵과 캡의 각각의 비드매입부를 서로 반대방향으로 절곡시켜 구성한 것이다.In order to achieve the above object, the present invention provides a bead glass support structure of G3 and G5 of an electron gun in which two electrodes of a cup and a cap shape are embedded in a bead glass with each other facing each other. It is constructed by bending the buried portions in opposite directions.

Description

칼라음극선관용 전자총Electron gun for color cathode ray tube

본 발명은 칼라음극선관용 전자총에 관한 것으로서, 특히 전자빔을 집, 가속하는 전극의 비드글라스 지지구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electron gun for color cathode ray tubes, and more particularly, to a bead glass support structure for electrodes for collecting and accelerating electron beams.

일반적인 인라인형 전자총은 제1도에 도시된 바와 같이, 음극가열용 히터(1)가 내장되어 히터(1)가 발열하면 히터(1)로부터 그 열량을 공급받아 열전자를 방사 하는 음극(2)과, 상기 음극(2)으로부터 방사된 열전자를 제어 및 가속시켜 1차적으로 전자빔을 생성하는 제어전극(3)(이하 G1) 및 가속전극(4)(이하 G2)과, 상기G1(3) 및 G2(4)를 통과한 전자빔을 집속 및 최종 가속시키는 다수의 집속전극(5), (6), (7)(이하 G3, G4, G5) 및 양극전극(8)(이하 G6)이 비드글라스(9)에 의해 일정한 간격을 유지하면서 순차적으로 배치되어 있다.As shown in FIG. 1, a general inline electron gun includes a cathode 2 that emits hot electrons by receiving the amount of heat from the heater 1 when the heater 1 is built-in, and the heater 1 generates heat. And a control electrode 3 (hereinafter referred to as G1) and an acceleration electrode 4 (hereinafter referred to as G2) that control and accelerate hot electrons emitted from the cathode 2 to generate an electron beam primarily, and the G1 (3) and G2. A plurality of focusing electrodes 5, 6, 7 (hereinafter G3, G4, G5) and anode electrode 8 (hereinafter G6) for focusing and finally accelerating the electron beam passing through (4) are bead glass ( 9) are arranged sequentially while maintaining a constant interval.

상기 G3(5) 또는 G5(7)는 컵과 캡 형상의 2개의 전극이 맞대어진 상태로 구성되고, G3(5) 또는 G5(7)의 비드매입부(flange)(A)는 측면에서 볼 때 절곡이 없이 1자(字)로 형성된 컵과 캡 각각의 비드매입부가 서로 맞대어진 상태에서 비드글라스(9)에 매입되어 있다.The G3 (5) or G5 (7) is composed of a cup and a cap-shaped two electrodes but the state, the bead (A) of the G3 (5) or G5 (7) is viewed from the side When the bead buried portion of each of the cup and the cap formed in one letter without bending at the same time is embedded in the bead glass (9).

이와 같이 구성된 상태에서 전원이 인가되어 히터(1)가 발열하게 되면 음극은(2)은 상기 히터(1)로부터 그 열량을 공급받아 열전자를 방사하게 되고, 이 열전자는 각 전극을 통과하면서 집, 가속되어 형광면에 도달, 발광하게 된다.When power is applied in this state and the heater 1 generates heat, the cathode 2 receives the amount of heat from the heater 1 to radiate hot electrons, and the hot electrons pass through each electrode. It accelerates, reaches the fluorescent surface, and emits light.

그러나 이러한 종래의 전자총 구조에 있어, 전극의 비드매입부의 열악한 구조에 때문에 후공정 이동시 터치(Touch) 및 후공정 작업 요인으로 인해 전극간의 간격 변화가 심하여 간격 불량의 원인이 되고 있다.However, in the conventional electron gun structure, due to the poor structure of the bead embedding portion of the electrode, the gap between the electrodes is severely changed due to the touch and post-processing factors during the post-process movement, which causes the gap defect.

특히, 집속전극과 같은 고전압 인가 전극의 경우에는 비드매입부의 미세한 움직임이 전극의 간격에 변화를 크케 초래하게 되는 문제점이 있었다.In particular, in the case of a high voltage applying electrode such as a focusing electrode, there is a problem in that the minute movement of the bead buried portion causes a large change in the spacing between the electrodes.

본 발명은 이러한 점을 감안하여 컵과 캡 형상의 G3 또는 G5의 비드매입부를 최조 제조시 벤딩을 통해 절곡형으로 구성하여 비드글라스에 매입시킴으로써 전극간의 간격변화를 최소화하는 데 그 목적이 있다.In view of this point, the object of the present invention is to minimize the gap change between electrodes by forming a bent portion of a cup and cap shape of a G3 or G5 bent through bending at the time of manufacture at the most.

제1도는 일반적인 인라인형 전자총의 구성도.1 is a block diagram of a general inline electron gun.

제2도는 본 발명에 의한 전극의 비드글라스 지지구조 상세도.2 is a detailed view of the bead glass support structure of the electrode according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

101 : 히터 102 : 음극101: heater 102: cathode

103 : G1 104 : G2103: G1 104: G2

105 : G3 106 : G4105: G3 106: G4

107 : G5 108 : G6107: G5 108: G6

109 : 비드글라스109: Bead glass

이하, 본 발명의 실시예를 첨부한 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

제2도는 본 발명에 의한 칼라음극선관용 전자총의 구성도로서, 음극가열용히터(101)가 내장되어 히터(101)가 발열하면 히터(101)로부터 그 열량을 공급받아 열전자를 방사하는 음극(102)과, 상기 음극(102)으로부터 방사된 열전자를 제어 및 가속시켜 1차적으로 전자빔을 생성하는 G1(103) 및 G2(104)와, 상기 G1(103) 및 G2(104)를 통과한 전자빔을 집속 및 최종 가속시키는 G3(105), G4(106), G5(107) 및 G6(108)가 비드글라스(109)에 의해 일정한 간격을 유지하면서 순차적으로 배치되어 있다.2 is a configuration diagram of an electron gun for a color cathode ray tube according to the present invention. When the heater 101 is built-in and the heater 101 generates heat, the cathode 102 receives heat from the heater 101 and radiates hot electrons. ) And G1 103 and G2 104 which primarily control and accelerate the hot electrons emitted from the cathode 102 to generate electron beams, and electron beams that have passed through the G1 103 and G2 104. G3 105, G4 106, G5 107 and G6 108 for focusing and final accelerating are sequentially arranged by the bead glass 109 at regular intervals.

상기 G3(105) 또는 G5(107)는 컵과 캡 형상의 2개의 전극이 서로 맞대어진 상태로 구성되며, G3(105) 또는 G5(107)의 비드매입부(B)는 컵과 캡의 각각의 비드 매입부가 서로 반대방향으로 절곡되어 있고, 이 절곡형 비드매입부(B)의 끝단부가 비드글라스(109)에 매입되어 있다.The G3 105 or G5 107 is composed of a cup and a cap-shaped two electrodes are in contact with each other, the bead buried portion (B) of the G3 105 or G5 107 is a cup and a cap, respectively The bead embedding portions of are bent in opposite directions to each other, and the bent end portion of the bent embedding portion B is embedded in the bead glass 109.

이와 같이 구성된 본 발명의 작용을 보다 상세히 설명하면 다음과 같다.Referring to the operation of the present invention configured as described in more detail as follows.

먼저, 전원이 인가되어 히터(101)가 발열하게 되면 음극(102)은 상기 히터(101)로부터 열량을 공급받아 열전자를 방사하게 되고, 이 열전자는 다수의 전극(G1, G2, G3, G4, G5, G6)을 통과하면서 집, 가속되어 형광면에 도달, 발광하게 된다.First, when power is applied and the heater 101 generates heat, the cathode 102 receives heat from the heater 101 and radiates hot electrons. The hot electrons are a plurality of electrodes G1, G2, G3, G4, While passing through G5 and G6), they are collected and accelerated to reach the fluorescent surface and emit light.

이때, 전자빔의 집, 가속을 위해 각 전극에는 서로 다른 전압을 인가하여 그 전압차에 의한 정전렌즈를 형성하게 되는데, 특히 고전압이 인가되는 G3 또는 G5는 컵과 캡 형상의 2개의 전극이 서로 맞대어진 상태로 구성된다.At this time, different voltages are applied to each electrode to collect and accelerate the electron beam, thereby forming an electrostatic lens according to the voltage difference. It is constructed in a true state.

이와 같이, 고전압이 인가되는 G3 또는 G5에서는 그 만큼 높은 열이 발생하게 되고, 이러한 열은 전극의 간격을 변화시켜 전자빔의 집, 가속에 영향을 주게되고, 최종적으로는 화면상에 전자빔의 미스컨버젼스를 유발하며, 음극선관의 수명에도 악영향을 주게 된다.As such, in G3 or G5 to which a high voltage is applied, high heat is generated. The heat affects the collection and acceleration of the electron beam by changing the distance between the electrodes, and finally the misconvergence of the electron beam on the screen. And adversely affect the life of the cathode ray tube.

본 발명에 의한 실시예는 이러한 점을 감안하여 전극의 간격변화를 최소화하도록 한 것으로서, G3(105) 또는 G5(107)의 컵과 캡 각각의 비드매입부를 서로 다른 방향으로 절곡하여 구성하고, 이 절곡형 비드매입부의 끝단부를 비드글라스(109)에 매입함으로써 G3(105) 또는 G5(107)의 비드글라스(109) 지지부를 2개 형성한 결과로 나타나게 되어 G3(105) 또는 G5(107)의 비드글라스(109) 지지구조를 보다 향상시킬 수 있는 것이다.The embodiment according to the present invention is to minimize the change in the gap of the electrode in consideration of this point, and bead configuration of the bead buried portion of each of the cup and cap of the G3 (105) or G5 (107) in different directions, and By inserting the bead glass 109 end portion of the bent bead buried portion, the result of forming two bead glass 109 support of the G3 (105) or G5 (107) resulted in the G3 (105) or G5 (107) The bead glass 109 support structure can be further improved.

이상에서 설명한 바와 같이 본 발명은 컵과 캡 형상의 2개의 전극이 서로 맞대어진 상태인 G3 또는 G5의 컵과 캡 각각의 비드매입부를 절곡하여 구성하고, 이 절곡형 비드매입부의 끝단부를 비드글라스에 매입함으로써 전극간의 간격변화를 최소화하여 음극선관의 신뢰성이 향상되는 효과가 있다.As described above, the present invention is configured by bending the bead embedding portion of each of the cup and cap of G3 or G5 in which two electrodes of the cup and cap shape are in contact with each other. By embedding, there is an effect that the reliability of the cathode ray tube is improved by minimizing the change in the gap between the electrodes.

Claims (1)

컵과 캡 형상의 2개의 전극이 서로 맞대어진 상태로 비드글라스에 매입되어 지는 비드매입부를 갖는 음극선관용 전자총의 전극에 있어서, 상기 컵과 캡의 각각의 비드매입부는 컵과 캡의 접합부를 중심으로 서로 반대방향으로 절곡되며, 상기 절곡부는 컴과 캡으로부터 연속일체로 성형된 것을 특징으로 하는 칼라 음극선관용 전자총.An electrode of an electron gun for a cathode ray tube having a bead buried portion that is buried in a bead glass in a state where two electrodes of a cup and a cap shape are opposed to each other, wherein each bead embedding portion of the cup and the cap is centered on a junction portion of the cup and the cap. The bent in the opposite direction to each other, the bent portion electron gun for a color cathode ray tube, characterized in that formed in a continuous body from the cap and the cap.
KR1019970037953A 1997-08-08 1997-08-08 Electron gun for color cathode ray tube Expired - Fee Related KR100224982B1 (en)

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KR100224982B1 true KR100224982B1 (en) 1999-10-15

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US11647783B2 (en) 2005-07-19 2023-05-16 Juul Labs, Inc. Devices for vaporization of a substance
EP2740508B1 (en) 2011-08-16 2016-06-15 PAX Labs, Inc. Low temperature electronic vaporization device

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